Open Question
Although the adaptive immune system has two arms, it has been said, 'no T cells, no immunity.' Explain.
21. The Immune System
Antigens
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__________ is the property of lymphocytes that prevents them from attacking the body's own cells.
A
Immunological memory
B
Antigenicity
C
Immunocompetence
D
Self-tolerance
Verified step by step guidance1
Understand the role of lymphocytes in the immune system. Lymphocytes are a type of white blood cell that play a crucial role in the body's immune response.
Recognize the concept of self-tolerance. Self-tolerance is the ability of the immune system to recognize the body's own cells and not attack them.
Differentiate between the terms provided: Immunological memory refers to the ability of the immune system to remember past infections and respond more effectively upon re-exposure. Antigenicity is the ability of a substance to provoke an immune response. Immunocompetence is the ability of lymphocytes to recognize and respond to antigens.
Identify that self-tolerance is the specific property that prevents lymphocytes from attacking the body's own cells, ensuring that the immune system does not target self-antigens.
Conclude that self-tolerance is essential for preventing autoimmune diseases, where the immune system mistakenly attacks the body's own tissues.
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